Base | Representation |
---|---|
bin | 1110100101010… |
… | …00000111100111 |
3 | 22112011200012110 |
4 | 13102220013213 |
5 | 222303322211 |
6 | 20045452103 |
7 | 3013506036 |
oct | 722500747 |
9 | 275150173 |
10 | 122323431 |
11 | 6305944a |
12 | 34b71033 |
13 | 1c45b639 |
14 | 1236271d |
15 | ab13ea6 |
hex | 74a81e7 |
122323431 has 8 divisors (see below), whose sum is σ = 163156864. Its totient is φ = 81519480.
The previous prime is 122323429. The next prime is 122323451. The reversal of 122323431 is 134323221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122323431 - 21 = 122323429 is a prime.
It is a super-2 number, since 2×1223234312 = 29926043543223522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122323398 and 122323407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122323451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5550 + ... + 16596.
It is an arithmetic number, because the mean of its divisors is an integer number (20394608).
Almost surely, 2122323431 is an apocalyptic number.
122323431 is a deficient number, since it is larger than the sum of its proper divisors (40833433).
122323431 is a wasteful number, since it uses less digits than its factorization.
122323431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14741.
The product of its digits is 864, while the sum is 21.
The square root of 122323431 is about 11059.9923598527. The cubic root of 122323431 is about 496.4054618496.
Adding to 122323431 its reverse (134323221), we get a palindrome (256646652).
The spelling of 122323431 in words is "one hundred twenty-two million, three hundred twenty-three thousand, four hundred thirty-one".
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